Van den Berg 142 Reflection Nebula & IC1396 Emission Nebula in Cepheus
(aka The Elephant Trunk Nebula)
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IC1396/VdB142
Imaging Equipment:
- Telescope: Celestron C11, 11" f/10 Schmidt-Cassegrain reduced to f/6.0
- Zeiss II German Equatorial Mount
- Santa Barbara Instrument Group ST-8E NABG CCD camera (1530 x 1020 pixels, 9 x 9
mm, monochromatic, 16 bit, 13.8 x 9.2mm array)
- CWF8 color filter wheel with Ha and IR-blocking red, green and blue dichroic filters
Exposure Information:
- Date: Saturday September 7, 2002
- Location: Mt. Pinos, CA
- Elevation: Approx. 8300', OAT +29F
- CCD operating temperature: -32C
- Composition: LRGB with red luminance
- R:R:G:B = 100:100:60:80 minutes. Total exposure time: 240 minutes
- All subexposures were 5 minutes each
- Plate scale: 1.1 arc-sec/pixel
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